Annual report
4251.TEDINET S100XS6Z
Period2025-01-01 → 2025-12-31
Filed2026-03-23
StandardJapan GAAP
ConsolidatedYes
Data checks24 of 24 passed
Key figures · 150
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥20.5bn | 2025-01-01 → 2025-12-31 | Cons. | Net sales |
| Revenue | ¥21.1bn | 2024-01-01 → 2024-12-31 | Cons. | Net sales |
| Revenue | ¥17.6bn | 2023-01-01 → 2023-12-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥21.1bn | 2022-01-01 → 2022-12-31v | Cons. | Net sales (5-year summary) |
| Revenue | ¥18.1bn | 2021-01-01 → 2021-12-31d | Cons. | Net sales (5-year summary) |
| Operating income | ¥4.3bn | 2025-01-01 → 2025-12-31 | Cons. | Operating income |
| Operating income | ¥4.7bn | 2024-01-01 → 2024-12-31 | Cons. | Operating income |
| Ordinary income | ¥4.2bn | 2025-01-01 → 2025-12-31 | Cons. | Ordinary income |
| Ordinary income | ¥5.2bn | 2024-01-01 → 2024-12-31 | Cons. | Ordinary income |
| Ordinary income | ¥2.8bn | 2023-01-01 → 2023-12-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥6.2bn | 2022-01-01 → 2022-12-31v | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥3.5bn | 2021-01-01 → 2021-12-31d | Cons. | Ordinary income loss (5-year summary) |
| Profit before tax | ¥3.2bn | 2025-01-01 → 2025-12-31 | Cons. | Income before income taxes |
| Profit before tax | ¥3.9bn | 2024-01-01 → 2024-12-31 | Cons. | Income before income taxes |
| Net income (owners) | ¥2.3bn | 2025-01-01 → 2025-12-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥2.8bn | 2024-01-01 → 2024-12-31 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥2.0bn | 2023-01-01 → 2023-12-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥4.9bn | 2022-01-01 → 2022-12-31v | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥2.6bn | 2021-01-01 → 2021-12-31d | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income | ¥2.3bn | 2025-01-01 → 2025-12-31 | Cons. | Profit loss |
| Net income | ¥2.8bn | 2024-01-01 → 2024-12-31 | Cons. | Profit loss |
| Total assets | ¥30.9bn | at 2025-12-31 | Cons. | Assets |
| Total assets | ¥32.0bn | at 2024-12-31 | Cons. | Assets |
| Total assets | ¥29.3bn | at 2023-12-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥29.3bn | at 2022-12-31v | Cons. | Total assets (5-year summary) |
| Total assets | ¥28.8bn | at 2021-12-31d | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥7.1bn | at 2025-12-31 | Cons. | Liabilities |
| Total liabilities | ¥9.1bn | at 2024-12-31 | Cons. | Liabilities |
| Net assets / equity | ¥23.9bn | at 2025-12-31 | Cons. | Net assets |
| Net assets / equity | ¥23.0bn | at 2024-12-31 | Cons. | Net assets |
| Net assets / equity | ¥20.4bn | at 2023-12-31v | Cons. | Net assets |
| Net assets / equity | ¥18.9bn | at 2022-12-31v | Cons. | Net assets (5-year summary) |
| Net assets / equity | ¥14.1bn | at 2021-12-31d | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥7.9bn | at 2025-12-31 | Cons. | Cash and deposits |
| Cash and deposits | ¥9.9bn | at 2024-12-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥7.5bn | at 2025-12-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥9.6bn | at 2024-12-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥7.4bn | at 2023-12-31v | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥10.0bn | at 2022-12-31v | Cons. | Cash and cash equivalents (5-year summary) |
| Cash & equivalents | ¥8.9bn | at 2021-12-31d | Cons. | Cash and cash equivalents (5-year summary) |
| Operating cash flow | ¥3.5bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥5.9bn | 2024-01-01 → 2024-12-31 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥2.4bn | 2023-01-01 → 2023-12-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥6.8bn | 2022-01-01 → 2022-12-31v | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥2.2bn | 2021-01-01 → 2021-12-31d | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Investing cash flow | −¥3.0bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥2.7bn | 2024-01-01 → 2024-12-31 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥3.9bn | 2023-01-01 → 2023-12-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥4.0bn | 2022-01-01 → 2022-12-31v | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥2.3bn | 2021-01-01 → 2021-12-31d | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Financing cash flow | −¥2.7bn | 2025-01-01 → 2025-12-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥1.4bn | 2024-01-01 → 2024-12-31 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥1.5bn | 2023-01-01 → 2023-12-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥1.7bn | 2022-01-01 → 2022-12-31v | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | ¥5.0bn | 2021-01-01 → 2021-12-31d | Cons. | Net cash provided by used in financing activities (5-year summary) |
| EPS (basic) | ¥122.08 | 2025-01-01 → 2025-12-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥144.74 | 2024-01-01 → 2024-12-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥102.92 | 2023-01-01 → 2023-12-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥252.46 | 2022-01-01 → 2022-12-31v | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥144.79 | 2021-01-01 → 2021-12-31d | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥144.63 | 2021-01-01 → 2021-12-31d | Cons. | Diluted earnings per share (5-year summary) |
| Net assets per share | ¥1,290.27 | at 2025-12-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,190.51 | at 2024-12-31 | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥1,056.44 | at 2023-12-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥981.86 | at 2022-12-31v | Cons. | Net assets per share (5-year summary) |
| Net assets per share | ¥735.6 | at 2021-12-31d | Cons. | Net assets per share (5-year summary) |
| Equity ratio | 77.1% | at 2025-12-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 71.7% | at 2024-12-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 69.6% | at 2023-12-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 64.5% | at 2022-12-31v | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 49.2% | at 2021-12-31d | Cons. | Equity to asset ratio (5-year summary) |
| ROE | 9.7% | 2025-01-01 → 2025-12-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 12.9% | 2024-01-01 → 2024-12-31 | Cons. | Rate of return on equity (5-year summary) |
| ROE | 10.1% | 2023-01-01 → 2023-12-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 29.4% | 2022-01-01 → 2022-12-31v | Cons. | Rate of return on equity (5-year summary) |
| ROE | 24.1% | 2021-01-01 → 2021-12-31d | Cons. | Rate of return on equity (5-year summary) |
| Employees | 409 | at 2025-12-31 | Cons. | Number of employees |
| Employees | 419 | at 2024-12-31 | Cons. | Number of employees |
| Employees | 429 | at 2023-12-31v | Cons. | Number of employees |
| Employees | 436 | at 2022-12-31v | Cons. | Number of employees |
| Employees | 430 | at 2021-12-31d | Cons. | Number of employees |
| Revenue | ¥18.0bn | 2025-01-01 → 2025-12-31 | Standalone | Net sales |
| Revenue | ¥19.3bn | 2024-01-01 → 2024-12-31 | Standalone | Net sales |
| Revenue | ¥15.7bn | 2023-01-01 → 2023-12-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥18.7bn | 2022-01-01 → 2022-12-31v | Standalone | Net sales (5-year summary) |
| Revenue | ¥16.9bn | 2021-01-01 → 2021-12-31d | Standalone | Net sales (5-year summary) |
| Operating income | ¥3.0bn | 2025-01-01 → 2025-12-31 | Standalone | Operating income |
| Operating income | ¥3.6bn | 2024-01-01 → 2024-12-31 | Standalone | Operating income |
| Ordinary income | ¥3.1bn | 2025-01-01 → 2025-12-31 | Standalone | Ordinary income |
| Ordinary income | ¥5.2bn | 2024-01-01 → 2024-12-31 | Standalone | Ordinary income |
| Ordinary income | ¥2.0bn | 2023-01-01 → 2023-12-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥4.9bn | 2022-01-01 → 2022-12-31v | Standalone | Ordinary income loss (5-year summary) |
| Ordinary income | ¥3.0bn | 2021-01-01 → 2021-12-31d | Standalone | Ordinary income loss (5-year summary) |
| Profit before tax | ¥2.1bn | 2025-01-01 → 2025-12-31 | Standalone | Income before income taxes |
| Profit before tax | ¥3.9bn | 2024-01-01 → 2024-12-31 | Standalone | Income before income taxes |
| Net income | ¥1.5bn | 2025-01-01 → 2025-12-31 | Standalone | Profit loss |
| Net income | ¥3.1bn | 2024-01-01 → 2024-12-31 | Standalone | Profit loss |
| Net income | ¥1.5bn | 2023-01-01 → 2023-12-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥4.0bn | 2022-01-01 → 2022-12-31v | Standalone | Net income loss (5-year summary) |
| Net income | ¥2.3bn | 2021-01-01 → 2021-12-31d | Standalone | Net income loss (5-year summary) |
| Total assets | ¥26.9bn | at 2025-12-31 | Standalone | Assets |
| Total assets | ¥28.9bn | at 2024-12-31 | Standalone | Assets |
| Total assets | ¥26.5bn | at 2023-12-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥26.9bn | at 2022-12-31v | Standalone | Total assets (5-year summary) |
| Total assets | ¥27.4bn | at 2021-12-31d | Standalone | Total assets (5-year summary) |
| Total liabilities | ¥6.6bn | at 2025-12-31 | Standalone | Liabilities |
| Total liabilities | ¥8.5bn | at 2024-12-31 | Standalone | Liabilities |
| Net assets / equity | ¥20.4bn | at 2025-12-31 | Standalone | Net assets |
| Net assets / equity | ¥20.4bn | at 2024-12-31 | Standalone | Net assets |
| Net assets / equity | ¥17.9bn | at 2023-12-31v | Standalone | Net assets |
| Net assets / equity | ¥17.1bn | at 2022-12-31v | Standalone | Net assets (5-year summary) |
| Net assets / equity | ¥13.3bn | at 2021-12-31d | Standalone | Net assets (5-year summary) |
| Cash and deposits | ¥3.5bn | at 2025-12-31 | Standalone | Cash and deposits |
| Cash and deposits | ¥5.5bn | at 2024-12-31 | Standalone | Cash and deposits |
| EPS (basic) | ¥82.79 | 2025-01-01 → 2025-12-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥158.25 | 2024-01-01 → 2024-12-31 | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥77.68 | 2023-01-01 → 2023-12-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥207.52 | 2022-01-01 → 2022-12-31v | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥128.81 | 2021-01-01 → 2021-12-31d | Standalone | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥128.66 | 2021-01-01 → 2021-12-31d | Standalone | Diluted earnings per share (5-year summary) |
| Dividend per share | ¥40 | 2025-01-01 → 2025-12-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥35 | 2024-01-01 → 2024-12-31 | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥25 | 2023-01-01 → 2023-12-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥75 | 2022-01-01 → 2022-12-31v | Standalone | Dividend paid per share (5-year summary) |
| Dividend per share | ¥25 | 2021-01-01 → 2021-12-31d | Standalone | Dividend paid per share (5-year summary) |
| Net assets per share | ¥1,101.57 | at 2025-12-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥1,059.16 | at 2024-12-31 | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥927.81 | at 2023-12-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥887.47 | at 2022-12-31v | Standalone | Net assets per share (5-year summary) |
| Net assets per share | ¥690.74 | at 2021-12-31d | Standalone | Net assets per share (5-year summary) |
| Equity ratio | 75.6% | at 2025-12-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 70.7% | at 2024-12-31 | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 67.5% | at 2023-12-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 63.4% | at 2022-12-31v | Standalone | Equity to asset ratio (5-year summary) |
| Equity ratio | 48.5% | at 2021-12-31d | Standalone | Equity to asset ratio (5-year summary) |
| ROE | 7.5% | 2025-01-01 → 2025-12-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 15.9% | 2024-01-01 → 2024-12-31 | Standalone | Rate of return on equity (5-year summary) |
| ROE | 8.6% | 2023-01-01 → 2023-12-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 26.3% | 2022-01-01 → 2022-12-31v | Standalone | Rate of return on equity (5-year summary) |
| ROE | 22.8% | 2021-01-01 → 2021-12-31d | Standalone | Rate of return on equity (5-year summary) |
| Shares issued | 19,285,152 | at 2025-12-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 19,285,152 | at 2024-12-31 | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 19,270,448 | at 2023-12-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,628,714 | at 2022-12-31v | Standalone | Total number of issued shares (5-year summary) |
| Shares issued | 9,615,835 | at 2021-12-31d | Standalone | Total number of issued shares (5-year summary) |
| Employees | 299 | at 2025-12-31 | Standalone | Number of employees |
| Employees | 308 | at 2024-12-31 | Standalone | Number of employees |
| Employees | 310 | at 2023-12-31v | Standalone | Number of employees |
| Employees | 310 | at 2022-12-31v | Standalone | Number of employees |
| Employees | 304 | at 2021-12-31d | Standalone | Number of employees |
Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.
Segments · 52
| Segment | Item | Period | Value |
|---|---|---|---|
| Reconciling Itemsreconciling | capex | 2025-01-01 → 2025-12-31 | ¥967m |
| Reconciling Itemsreconciling | depreciation | 2025-01-01 → 2025-12-31 | ¥784m |
| Reconciling Itemsreconciling | segment assets | at 2025-12-31 | ¥9.6bn |
| Reconciling Itemsreconciling | segment profit | 2025-01-01 → 2025-12-31 | −¥3.1bn |
| Functional Productsreportable segment | capex | 2025-01-01 → 2025-12-31 | ¥48m |
| Functional Productsreportable segment | depreciation | 2025-01-01 → 2025-12-31 | ¥84m |
| Functional Productsreportable segment | employees | at 2025-12-31 | 43 pure |
| Functional Productsreportable segment | revenue | 2025-01-01 → 2025-12-31 | ¥3.7bn |
| Functional Productsreportable segment | revenue external | 2025-01-01 → 2025-12-31 | ¥3.7bn |
| Functional Productsreportable segment | segment assets | at 2025-12-31 | ¥2.2bn |
| Functional Productsreportable segment | segment profit | 2025-01-01 → 2025-12-31 | ¥295m |
| Optical Productsreportable segment | capex | 2025-01-01 → 2025-12-31 | ¥1.4bn |
| Optical Productsreportable segment | depreciation | 2025-01-01 → 2025-12-31 | ¥1.2bn |
| Optical Productsreportable segment | employees | at 2025-12-31 | 266 pure |
| Optical Productsreportable segment | revenue | 2025-01-01 → 2025-12-31 | ¥16.8bn |
| Optical Productsreportable segment | revenue external | 2025-01-01 → 2025-12-31 | ¥16.8bn |
| Optical Productsreportable segment | segment assets | at 2025-12-31 | ¥19.2bn |
| Optical Productsreportable segment | segment profit | 2025-01-01 → 2025-12-31 | ¥7.1bn |
| Total Of Reportable Segments And Otherssegment total | capex | 2025-01-01 → 2025-12-31 | ¥1.5bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2025-01-01 → 2025-12-31 | ¥1.3bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-01-01 → 2025-12-31 | ¥20.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-01-01 → 2025-12-31 | ¥20.5bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2025-12-31 | ¥21.4bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-01-01 → 2025-12-31 | ¥7.4bn |
| Reconciling Itemsreconciling | capex | 2024-01-01 → 2024-12-31 | ¥1.2bn |
| Reconciling Itemsreconciling | depreciation | 2024-01-01 → 2024-12-31 | ¥484m |
| Reconciling Itemsreconciling | segment assets | at 2024-12-31 | ¥11.5bn |
| Reconciling Itemsreconciling | segment profit | 2024-01-01 → 2024-12-31 | −¥3.4bn |
| Functional Productsreportable segment | capex | 2024-01-01 → 2024-12-31 | ¥41m |
| Functional Productsreportable segment | depreciation | 2024-01-01 → 2024-12-31 | ¥89m |
| Functional Productsreportable segment | revenue | 2024-01-01 → 2024-12-31 | ¥3.8bn |
| Functional Productsreportable segment | revenue external | 2024-01-01 → 2024-12-31 | ¥3.8bn |
| Functional Productsreportable segment | segment assets | at 2024-12-31 | ¥2.4bn |
| Functional Productsreportable segment | segment profit | 2024-01-01 → 2024-12-31 | ¥193m |
| Optical Productsreportable segment | capex | 2024-01-01 → 2024-12-31 | ¥1.6bn |
| Optical Productsreportable segment | depreciation | 2024-01-01 → 2024-12-31 | ¥1.0bn |
| Optical Productsreportable segment | revenue | 2024-01-01 → 2024-12-31 | ¥17.1bn |
| Optical Productsreportable segment | revenue external | 2024-01-01 → 2024-12-31 | ¥17.1bn |
| Optical Productsreportable segment | segment assets | at 2024-12-31 | ¥18.0bn |
| Optical Productsreportable segment | segment profit | 2024-01-01 → 2024-12-31 | ¥8.3bn |
| The Plaster Tape To Rescue The Earth Segmentreportable segment | depreciation | 2024-01-01 → 2024-12-31 | ¥138m |
| The Plaster Tape To Rescue The Earth Segmentreportable segment | revenue | 2024-01-01 → 2024-12-31 | ¥154m |
| The Plaster Tape To Rescue The Earth Segmentreportable segment | revenue external | 2024-01-01 → 2024-12-31 | ¥154m |
| The Plaster Tape To Rescue The Earth Segmentreportable segment | segment profit | 2024-01-01 → 2024-12-31 | −¥366m |
| Total Of Reportable Segments And Otherssegment total | capex | 2024-01-01 → 2024-12-31 | ¥1.6bn |
| Total Of Reportable Segments And Otherssegment total | depreciation | 2024-01-01 → 2024-12-31 | ¥1.2bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-01-01 → 2024-12-31 | ¥21.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-01-01 → 2024-12-31 | ¥21.1bn |
| Total Of Reportable Segments And Otherssegment total | segment assets | at 2024-12-31 | ¥20.5bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-01-01 → 2024-12-31 | ¥8.2bn |
| Functional Productsreportable segment | employees | at 2025-12-31 | 43 pure |
| Optical Productsreportable segment | employees | at 2025-12-31 | 156 pure |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 1,768
| Item | Context | Value | Unit |
|---|---|---|---|
| Depreciation segment information | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 1317967000 | JPY |
| Depreciation segment information | CurrentYearDuration_ReconcilingItemsMember | 784233000 | JPY |
| Depreciation segment information | CurrentYearDuration | 2102201000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E35220-000OpticalProductsReportableSegmentMember | 1428462000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_jpcrp030000-asr_E35220-000FunctionalProductsReportableSegmentMember | 47625000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_TotalOfReportableSegmentsAndOthersMember | 1476087000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration_ReconcilingItemsMember | 966504000 | JPY |
| Increase in property plant and equipment and intangible assets | CurrentYearDuration | 2442592000 | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | Prior1YearDuration_jpcrp030000-asr_E35220-000OpticalProductsReportableSegmentMember | 106000000 | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | Prior1YearDuration_jpcrp030000-asr_E35220-000FunctionalProductsReportableSegmentMember | － | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | Prior1YearDuration_jpcrp030000-asr_E35220-000ThePlasterTapeToRescueTheEarthSegmentReportableSegmentMember | 852670000 | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | Prior1YearDuration_ReportableSegmentsMember | 958670000 | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | Prior1YearDuration_UnallocatedAmountsAndEliminationMember | － | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | Prior1YearDuration | 958670000 | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | CurrentYearDuration_jpcrp030000-asr_E35220-000OpticalProductsReportableSegmentMember | － | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | CurrentYearDuration_jpcrp030000-asr_E35220-000FunctionalProductsReportableSegmentMember | － | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | CurrentYearDuration_ReportableSegmentsMember | － | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | CurrentYearDuration_UnallocatedAmountsAndEliminationMember | 179822000 | JPY |
| Impairment loss disclosure of impairment loss on non current assets for each reportable segment | CurrentYearDuration | 179822000 | JPY |
| Cash and deposits | Prior1YearInstant_NonConsolidatedMember | 5496738000 | JPY |
| Cash and deposits | CurrentYearInstant_NonConsolidatedMember | 3492141000 | JPY |
| Notes receivable trade | Prior1YearInstant_NonConsolidatedMember | 1070456000 | JPY |
| Notes receivable trade | CurrentYearInstant_NonConsolidatedMember | 638912000 | JPY |
| Accounts receivable trade | Prior1YearInstant_NonConsolidatedMember | 4584274000 | JPY |
| Accounts receivable trade | CurrentYearInstant_NonConsolidatedMember | 4854714000 | JPY |
| Short term investment securities | Prior1YearInstant_NonConsolidatedMember | 1499197000 | JPY |
| Short term investment securities | CurrentYearInstant_NonConsolidatedMember | 1498132000 | JPY |
| Merchandise and finished goods | Prior1YearInstant_NonConsolidatedMember | 980199000 | JPY |
| Merchandise and finished goods | CurrentYearInstant_NonConsolidatedMember | 1142603000 | JPY |
| Raw materials and supplies | Prior1YearInstant_NonConsolidatedMember | 677349000 | JPY |
| Raw materials and supplies | CurrentYearInstant_NonConsolidatedMember | 633441000 | JPY |
| Consumption taxes receivable | Prior1YearInstant_NonConsolidatedMember | 981448000 | JPY |
| Consumption taxes receivable | CurrentYearInstant_NonConsolidatedMember | 825985000 | JPY |
| Other ca | Prior1YearInstant_NonConsolidatedMember | 215405000 | JPY |
| Other ca | CurrentYearInstant_NonConsolidatedMember | 193114000 | JPY |
| Allowance for doubtful accounts ca | Prior1YearInstant_NonConsolidatedMember | -771000 | JPY |
| Allowance for doubtful accounts ca | CurrentYearInstant_NonConsolidatedMember | -751000 | JPY |
| Current assets | Prior1YearInstant_NonConsolidatedMember | 15504299000 | JPY |
| Current assets | CurrentYearInstant_NonConsolidatedMember | 13278294000 | JPY |
| Buildings net | Prior1YearInstant_NonConsolidatedMember | 7290228000 | JPY |
| Buildings net | CurrentYearInstant_NonConsolidatedMember | 7121946000 | JPY |
| Structures net | Prior1YearInstant_NonConsolidatedMember | 58253000 | JPY |
| Structures net | CurrentYearInstant_NonConsolidatedMember | 50004000 | JPY |
| Machinery and equipment net | Prior1YearInstant_NonConsolidatedMember | 2458104000 | JPY |
| Machinery and equipment net | CurrentYearInstant_NonConsolidatedMember | 3586428000 | JPY |
| Vehicles net | Prior1YearInstant_NonConsolidatedMember | 67999000 | JPY |
| Vehicles net | CurrentYearInstant_NonConsolidatedMember | 63981000 | JPY |
| Tools furniture and fixtures net | Prior1YearInstant_NonConsolidatedMember | 356297000 | JPY |
| Tools furniture and fixtures net | CurrentYearInstant_NonConsolidatedMember | 290959000 | JPY |
| Land | Prior1YearInstant_NonConsolidatedMember | 844176000 | JPY |
Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.
Data checks · 24 of 24 passed
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| balance sheet identity | pass rounding |
| balance sheet identity | pass |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |